J.K. Rowling's tweet goes viral as Harry Potter turns 20

Bruno Mars

The singer posted a Wayback Wednesday of himself that showed how much he hasn't changed in all these years. Equipped with a mini guitar and his perfect coiff, he was made for stardom long before people knew the name Bruno Mars.

Photo: Instagram/@brunomars, Getty Images

These stars take it way back with these throwback photos

My how they've grown! Celebrities are giving us a glimpse at how they were long before it was lights, camera, action.

Ashton Kutcher is relieved 'Bachelor in Paradise' is back and explains why it's his and Mila's guilty pleasure

Superman and Lois Lane are together again! Dean Cain and Teri Hatcher, who starred in the 1990s superhero reboot <I>Lois & Clark: The New Adventures of Superman</I> had a daring reunion in Sydney, Australia in June 2017. The pair – seen at the Emmys in 1993, left – posed for this high-flying selfie after climbing the Sydney Harbour Bridge together. <I>Desperate Housewives</I> star Teri posted the photo, captioning it: "Soaring together again. So fun to reunite. Thanks to #bridgeclimbsydney. #loisandclark #deancain".

Photo: Getty Images, Instagram/@officialterihatcher

Cast reunions: Your favorite stars then and now

From 'The Fresh Prince' to 'Friends', a look at TV and movie casts that have reunited over the years.

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